Chris and I talked yesterday, and he seems to have solved it for me. It's changed now from Direct USB to ADB Mode for syncing. CompanionLink has great customer support!

Marjory

================================================== =
Samsung Galaxy S5, Android 6.0.1 (security patch level August 1, 2017)
DJO 4.3.6, build 1002; CL 7050
Win10 x64, Creator update, v 1703; PalmDesktop 4.2

USB sync, ADB mode --- manual syncing, as needed
Not syncing to native Android calendar or contacts